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Buick Lucerne: Engine & Performance

191 messages,  Last post on Feb 03, 2007 at 9:20 PM

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What is this discussion about? Buick Lucerne, Engine, Sedan


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#172 of 191
V-6 vs. V-8 --> a little more discussion by mark_wny
Jun 26, 2006 (2:15 pm)
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I know the merits of humble V-6 versus Northstar have been addressed in other threads. Here's my situation: I live in the Buffalo/Niagara area of western NY; the roads are wide, flat and often a bit rough; very few hills here and those that exist are gentle; most of the time, I'm the only one in the car; most cruisin' is 45 to 60 mph - rarely over 65. Given all this, I would think the V-6 would be sufficient; what do 'Lucerne experts' think?
#173 of 191
Re: V-6 vs. V-8 --> a little more discussion [mark_wny] by loyalbuickfan
Jun 26, 2006 (2:54 pm)
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Replying to: mark_wny (Jun 26, 2006 2:15 pm)

 Will it be sufficient? In a word yes, but the longer answer follows:
I think the KEY word here is FLAT. I think the V6 will do just fine!
 IF you said , sometime encounter hilly terrain, then do as I do, put it in 3rd.(preventing useless upshifts to overdrive) and get a bit more aggressive with the gas pedal.
 
Now IF you said STEEP hills often ,the V8, may have been a better choice.
 
This is only my opinion based on driving the V6 (3800) engine for 12 years.
 
As for "rough roads" the CX W/16" Tires has the most road isolation,and the softest ride.(Our choice)
  
The CXL W/17" Tires comes with the V6 and cost $3,000 more, has leather, a bit firmer suspension,more ride control, with a bit more tire road noise, and a Luxury package is avail that includes "memory seating positions". But if someone wants the V8, it will cost 2,000 more, for a total of 5K more than than entry-level CX. Now it
 certainly IS a "premium" car with respect to it's performance.
 
Be sure to test drive each one for at least 20-25 Min. Good Luck.
#174 of 191
Thanks loyalbuickfan and others for the info. by mark_wny
Jun 28, 2006 (1:47 pm)
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Replying to: loyalbuickfan (Jun 26, 2006 2:54 pm)

#175 of 191
Re: V-6 vs. V-8 --> a little more discussion [mark_wny] by rceggl
Jul 01, 2006 (11:18 am)
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Replying to: mark_wny (Jun 26, 2006 2:15 pm)

Am not a Lucerne expert, but, the 3800 engine is, indeed, a super engine with great mileage. Also remember, there is absolutely nothing new about the Northstar. It is, itself, in need of some real improvement. In fact, Buick really bothers me here in that they take this engine from Cadillac as if that in itself was a real improvement. I cruise in my PA at 70mph and easily obtain 30 mpg with the 3800.
#176 of 191
Re: V-6 vs. V-8 --> a little more discussion [rceggl] by loyalbuickfan
Jul 01, 2006 (3:57 pm)
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Replying to: rceggl (Jul 01, 2006 11:18 am)

I agree,but the V-8 offers consumers a choice. It lets US choose between what we know, 30mpg exceptional reliability(V-6),OR a car/engine combination(V-8) that puts a smile on your face when asked to accelerate quickly on the highway.Performance is FAR beyond what is found in the "everyday" V-6.
 
I ordered a Lucerne with the V-6 but it will be interesting to see what percentage are sold with Northstar,yearly,
 
I too care about MPG and fuel cost. Not all "state of the art" Variable Valve Timing V-6's are free from their OWN negative traits. The Hyundai Azera I tested had terrific power reserve, but mpgs are said to be dissapointing. The Toyota Avalon I drove seemed noisy at idle,and louder than expected when forced to downshift AND wants to be treated to premium fuel too.
 
I remember at a car show 3-4 years ago at the Caddy area,a display that showed the inner cutaway of Northstar and went on to explain the great number of features of this engine,then GM'best.
I recently found that this engine was quieter and I think smoother than those mentioned above and again the 4-speed auto was always willing.(GM don't introduce 5or6 speed trannys until you get it as right,and reliable, as you did here!)
 
If the 3800 is a little low tech then it's durability and performance make up for that.(25+years=lots of improvements on a great design)
 
In an earlier message I said that on the day we bought Lucerne we would have bought the CaddyDTS/Northstar choosing performance over economy IF it offered cloth seats. My wife and I loved the looks AND smooth power this Northstar equppied car offered!
 
So instead I am 10 grand ahead, and am really looking foward to Buick #5.
#177 of 191
3800 Engine by aalter
Jul 01, 2006 (5:19 pm)
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I have a 3800 in my 2000 LeSabre and keep on reading how it is a low-tech pushrod design. On the other hand, I get about 23mpg in the city, 29 on the highway, get great power and quiet operation. So I'm wondering if the car mags want technology for its own sake. My Ford Taurus with its Duratec 16Valve V-6 gets about 18Mpg with less power than the Buick. If I traded in my LeSabre, I would get the V-6. The only problem that I have with the Lucerne is that it is so much heavier than the LeSabre that it might need the power of the V-8 to get the same performance as I get in my LeSabre.
#178 of 191
Re: 3800 Engine [aalter] by loyalbuickfan
Jul 01, 2006 (6:48 pm)
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Replying to: aalter (Jul 01, 2006 5:19 pm)

Not true.The car's power feels more than adequate(to me)and for all but a few drivers.
  
I wonder if someone CAN comment as to why the 3800 went from 205HP to 197HP?Is it now measured differently?
 
Dealers are more than happy to let you drive a Lucerne.
It cost nothing but some of your time. Try more than one version.Let readers here know what YOUR impressions are!
#179 of 191
Re: 3800 Engine [loyalbuickfan] by 62vetteefp
Jul 02, 2006 (3:57 am)
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Replying to: loyalbuickfan (Jul 01, 2006 6:48 pm)

First, with the old HP rules GM would round up or down to a multiple of 5 with a little wiggle room. So the advertised 205 was probably actually somewhere around 202-203.
 
Next the new Lucerne has been engineered with quieter exhaust that caused a HP loss of around 4-5 HP or so.
 
And with the new HP advertising rules the actual HP must be reported which is 197. With the old rules it wouyld have been advertised at 200. I believe the LaCrosse still advertises 200 even since it was released before the new HP advertising rules went in force.
 
In the end +- 3 hp is within tolerance of engine manufacturing. Also recall that GM had much tighter rules on advertising correct HP than the Japanese who almost invariably had to reduce their HP ratings by a whole bunch more (up to 30 HP I believe).
#180 of 191
Re: 3800 Engine [aalter] by dispencer1
Jul 02, 2006 (7:16 am)
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Replying to: aalter (Jul 01, 2006 5:19 pm)

I bought a 2006 LT2 Impala with the "economy" 3.5 litre engine and it gets lousy mileage in the city -around 17-19. I should have gotten a Lacrosse with the 3800. My mistake! Never again. The city mileage on my Deville is around 15-17. I'd expect that with 275 HP but the Impala isn't much better. When I get a DTS I'll dump the Impala and cut down on the number of cars. The Impala is a disappointment. I'd get a Lucerne with the 3800 in a heartbeat. I've had three LeSabres with that engine and all were very dependable until I got rid of them at 100,000 miles. I guess I got caught up in the Impala publicity. Too bad.
#181 of 191
Re: 3800 Engine [dispencer1] by 62vetteefp
Jul 02, 2006 (7:58 am)
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Replying to: dispencer1 (Jul 02, 2006 7:16 am)

Strange, My FIL is getting 30 on the highway with his Impala. Perhaps you need a few more miles?

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